Home / 71,299.23-107,053.98-39,770.89

Finding the Fourth Proportional to 71,299.23, 107,053.98 and 39,770.89

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Solution

The fourth proportional to 71,299.23, 107,053.98 and 39,770.89 is: 59,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,299.23 : 107,053.98 = 39,770.89 : x
  2. Step 2: Convert to fraction form
    71,299.23/107,053.98 = 39,770.89/x
  3. Step 3: Cross multiply
    71,299.23x = 107,053.98 × 39,770.89
  4. Step 4: Simplify right side
    71,299.23x = 4,257,632,146.75
  5. Step 5: Solve for x
    x = 4,257,632,146.75/71,299.23
  6. Step 6: Final answer
    x = 59,714.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.